I need help? I bought a 4x4 tent, have 600w hps, 6in filter, 6in cool tube, 6in inline fan &4 in inline fan and 16in osc. fan. My setulp is like this; filter, duct 4in inline fan exhausting air out, ducting, reflector, 6in inline fan pulling cool air in and across the bulb; have a 4.5in...